With this function, the resolver checks all associated URLs and marks them either with a green tick or, in the event of an error, with a red cross. Users are redirected to the first URL marked in green.

Analyse	urn:nbn:de:101:1-2019051700405872367258
	https://doi.org/10.1186/s12875-019-0945-4 STATUS : 302 → Redirecting to : https://bmcfampract.biomedcentral.com/articles/10.1186/s12875-019-0945-4
	https://bmcfampract.biomedcentral.com/articles/10.1186/s12875-019-0945-4 STATUS : 301 → Redirecting to : https://bmcprimcare.biomedcentral.com/articles/10.1186/s12875-019-0945-4
	https://bmcprimcare.biomedcentral.com/articles/10.1186/s12875-019-0945-4 STATUS : 406 → Skipping : https://bmcprimcare.biomedcentral.com/articles/10.1186/s12875-019-0945-4
	http://d-nb.info/1186356758/34 STATUS : 301 → Redirecting to : https://d-nb.info/1186356758/34
	https://d-nb.info/1186356758/34 STATUS : 404 → Skipping : https://d-nb.info/1186356758/34

Please contact us if you experience any errors with the URN.